package thread;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;

// TCP 版本的回显客户端
public class ThreadWork6 {

    private Socket socket = null;

    public ThreadWork6(String serverIp, int serverPort) throws IOException {
        socket = new Socket(serverIp, serverPort);
    }

    public void start() {
        System.out.println("客户端启动！！！");
        Scanner scanner = new Scanner(System.in);
        try (InputStream inputStream = socket.getInputStream();
             OutputStream outputStream = socket.getOutputStream()) {
            while (true) {
                // 1.先从键盘上获取用户输入的内容
                System.out.print(">");
                String request = scanner.next();
                if (request.equals("exit")) {
                    System.out.println("goodbye");
                    break;
                }

                // 2.把读好的内容构造成请求，发送给服务器
                PrintWriter printWriter = new PrintWriter(outputStream);
                printWriter.println(request);
                printWriter.flush(); // 刷新缓冲区

                // 3.读取服务器的响应
                Scanner respScanner = new Scanner(inputStream);
                String response = respScanner.next();

                // 4.把响应内容显示到界面上
                System.out.println(response);
            }
        }catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws IOException{
        ThreadWork6 threadWork6 = new ThreadWork6("127.0.0.1", 9090);
        threadWork6.start();
    }
}
